Perhaps you should try some spelling variations:
"classical mechanicals" » "classical mechanical", "classical mechanisms", "classic mechanical"
"classical mechanistic" » "classical mechanisms", "classical mechanical", "classical stochastic"
"classical mechanism" » "classical mechanisms", "classical mechanical", "physical mechanism"
"classical mechanics" » "classical mechanisms", "classical mechanical"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("classical mechanics") OR ("classical mechanicals"))) OR ("classical mechanistic"))) OR ("classical mechanism")).
• Removing quotes may allow a broader search: (((((( classical mechanics ) or ( classical mechanicals ))) or ( classical mechanistic ))) or ( classical mechanism )).
• Adding a wildcard symbol may retrieve word variants: (((((("classical mechanics") or ("classical mechanicals"))) or ("classical mechanistic"))) or ("classical mechanism"))*.